MySQLdump is very effective tool to collection of databases for backup or restore into another SQL server. There are three general ways to use mysqldump command in Linux server.

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History will shows the list of commands which you have executed previously. Would you like to view information on when you executed these commands,

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Tmpwatch tool is analyze and recursively delete files which have not been used certain period of time, especially clean up unwanted backup or /tmp directory or unused files.

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Yes, its possible to be change user home directory. By default the user working directory creating in /home, do you like to modify following below steps.

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When you try to install any packages like yum install httpd its shows error like,

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Netstat command is helpful for display information related to network connections, both incoming and outgoing , routing tables, interface statistics security issues connections and so on.

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Exim is a message transfer agent (MTA) for hosts that are highly comfortable and running in Unix or Linux Operating system.

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